Ideal Exercise for your hands and fingers: The finger training bands are useful for hand and finger extension strength and dexterity which are required for playing guitar, piano, rock climbing and basketball. 3 different bands levels for different intensities: The pink color (3kg/6lbs) is for children and the aged; the yellow (4kg/9lbs) is for teens, men and women; the blue(5kg/12lbs) is for high-level. Excellent for Physical rehabilitation and arthritis: The finger training resistance band is a good tool to help your grip and tendinitis in your forearm, tennis elbow, and arthritis hands. Portable: The finger strengtheners are handy. You can put them in your pocket or leave them on your computer desk and use them whenever you get a spare minute. Practical Stress Reliever: After working on long time computer day, your fingers will get tried, the finger bands are great for fidgeting with your hands. Note: 2 same product in every set. The all-set have 3PCS, one for each weight (6/9/12lbs).